package com.dongdongshop.service;

import com.dongdongshop.pojo.TbItem;

import java.util.List;

public interface ItemService {

    List<TbItem> selectItemListByGoodsId(Long goodsId);

    TbItem selectItemById(Long itemId);

    void updateStockCount(TbItem item);

    List<TbItem> selectItemList();
}
